minix/servers/devman/main.c

   1 #define _SYSTEM         1       /* tell headers that this is the kernel */
   2
   3 #include <minix/config.h>
   4 #include <errno.h>
   5 #include <unistd.h>
   6 #include <stdlib.h>
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <lib.h>
  10 #include <minix/timers.h>
  11
  12 #include <minix/callnr.h>
  13 #include <minix/type.h>
  14 #include <minix/const.h>
  15 #include <minix/com.h>
  16 #include <minix/syslib.h>
  17 #include <minix/sysutil.h>
  18 #include <minix/vfsif.h>
  19 #include <minix/endpoint.h>
  20 #include <minix/sysinfo.h>
  21 #include <minix/u64.h>
  22 #include <minix/sysinfo.h>
  23 #include <minix/type.h>
  24 #include <minix/ipc.h>
  25
  26 #include <sys/time.h>
  27 #include <sys/times.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30
  31
  32 #include <minix/vtreefs.h>
  33 #include "devman.h"
  34 #include "proto.h"
  35
  36 static void init_hook(void) {
  37         static int first = 1;
  38
  39         if (first) {
  40                 devman_init_devices();
  41                 first = 0;
  42         }
  43 }
  44
  45
  46 static void message_hook(message *m, int __unused ipc_status)
  47 {
  48         switch (m->m_type) {
  49                 case DEVMAN_ADD_DEV:
  50                         do_add_device(m);
  51                 case DEVMAN_DEL_DEV:
  52                         do_del_device(m);
  53                 case DEVMAN_BIND:
  54                         do_bind_device(m);
  55                 case DEVMAN_UNBIND:
  56                         do_unbind_device(m);
  57         }
  58 }
  59
  60 static ssize_t
  61 read_hook
  62 (struct inode *inode, char *ptr, size_t len, off_t offset, cbdata_t cbdata)
  63 {
  64         struct devman_inode *d_inode = (struct devman_inode *) cbdata;
  65
  66         return d_inode->read_fn(ptr, len, offset, d_inode->data);
  67 }
  68
  69
  70 int main (int argc, char* argv[])
  71 {
  72
  73         static struct fs_hooks hooks;
  74         static struct inode_stat root_stat;
  75
  76         /* fill in the hooks */
  77         memset(&hooks, 0, sizeof(hooks));
  78         hooks.init_hook         = init_hook;
  79         hooks.read_hook         = read_hook;
  80         hooks.message_hook      = message_hook; /* handle the ds_update call */
  81
  82         root_stat.mode  = S_IFDIR | S_IRUSR | S_IRGRP | S_IROTH;
  83         root_stat.uid   = 0;
  84         root_stat.gid   = 0;
  85         root_stat.size  = 0;
  86         root_stat.dev   = NO_DEV;
  87
  88         /* run VTreeFS */
  89         run_vtreefs(&hooks, 1024, 0, &root_stat, 0, BUF_SIZE);
  90
  91         return 0;
  92 }
  93